Eaton NT48M11S3716CU Transformer - UL Listed
Part Number: NT48M11S3716CU
Quick Summary
Eaton NT48M11S3716CU nonlinear ventilated transformer is designed to reliably balance voltages in demanding industrial power systems. Engineers often battle heat, inefficiency, and harmonic distortion that erode performance and raise operating costs. It carries UL Listed protection and DOE 2016 Efficient compliance, with a rugged NEMA 2 enclosure that withstands rough environments. The copper-wound construction and 150°C rise rating support long service life, while 60 Hz operation and a 37.5 kVA rating align with typical plant load profiles. Compatible with 480 V primary and 120/240 V secondary circuits, it delivers dependable performance for modernization, retrofits, or new equipment projects.
Product Information
Extended Description
NT48M11S3716CU Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (1-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 120/240V, 150°C rise, 37.5 kVA, 16, Copper windings
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
NT48M11S3716CU
UPC
786680207266
Product Length/Depth
23.84 in
Product Height
42.03 in
Product Width
24.22 in
Product Weight
755 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
DOE 2016 Efficient
Coil material
Copper
Enclosure
NEMA 2
Wiring connection
243D
Type
Nonlinear, ventilated transformer
Frame
819
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
37.5 kVA
Phase
Single-phase
Primary voltage
480 V
Secondary Voltage
120/240 V
Temperature rise
150 °C rise
Special features
Electrostatically shielded
Weathershield
WS16
Feature: K-Factor nonlinear design with electrostatically shielded windings reduces harmonic currents, improving voltage regulation under non-linear loading. Business Impact: Lower energy losses, cooler operation, and reduced maintenance spend. Application: Drives, power distribution panels, and control cabinets in harsh industrial environments. Feature: Tap changes—two at +2.5% and four at -2.5%—for precise voltage regulation. Business Impact: Minimized equipment stress and improved performance under fluctuating supply and load. Application: Motor control centers and critical control circuits. Feature: Copper windings with a 150°C rise rating. Business Impact: Enhanced thermal tolerance and extended life in high-heat environments, reducing replacement cycles. Application: Industrial plants with dense loads and limited cooling. Feature: NEMA 2 enclosure with electrostatic shielding and WS16 weathershield compatibility. Business Impact: Flexible indoor installations with robust protection against dust and incidental moisture. Application: Retrofit and new builds in manufacturing floors and electrical rooms. Feature: Frame 819, 23.84 in depth, 24.22 in width, 42.03 in height and 755 lb weight with 243D wiring. Business Impact: Streamlined panel integration and straightforward mounting during installation. Application: Equipment racks, switchgear cabinets, and compact transformer spaces. Feature: DOE 2016 Efficient and UL Listed certifications. Business Impact: Simplified procurement, regulatory compliance, and energy-conscious operation across plant fleets. Application: Enterprises pursuing regulatory alignment and efficiency upgrades.
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FAQs
This transformer is designed for 480 V primary and 120/240 V secondary, 60 Hz single-phase operation. It uses a 243D wiring connection and comes in a rugged NEMA 2 enclosure, with a 37.5 kVA rating and a 755 lb frame, which supports straightforward mounting in electrical rooms or controlled environments. Ensure clearance for cooling and access to taps for +2.5% and -2.5% adjustments during commissioning.
Key specs include 37.5 kVA VA rating, 480 V primary, 120/240 V secondary, 60 Hz frequency, copper windings, 150 °C rise, two taps at +2.5% and four taps at -2.5%. The unit is UL Listed, DOE 2016 Efficient, and features a NEMA 2 enclosure with electrostatic shielding and WS16 weather shield compatibility for installation flexibility.
Yes. Its K-Factor nonlinear design and electrostatically shielded copper windings are optimized for non-linear loading, reducing harmonic currents and improving voltage regulation. This makes it well-suited for motor drives, PLCs, and other non-linear loads common in modern manufacturing and process environments.
The NT48M11S3716CU is UL Listed and DOE 2016 Efficient. These certifications support procurement decisions in regulated environments and help ensure energy savings targets are met during equipment upgrades or new installations.
With copper windings and a 150 °C rise rating, the unit provides robust thermal performance and durability, reducing overheating risks and maintenance needs. The 1-year Eaton warranty or 18 months from shipment, whichever comes first, adds financial protection during early operation, while DOE and UL certifications streamline service vendor qualification.